[Oldest old: boundary of challonge].
Carrascal
Yolanda
Y
D000369:Aged, 80 and over; D006348:Cardiac Surgical Procedures / Q000191:economics; D005260:Female; D006801:Humans; D008017:Life Expectancy; D008297:Male; D010166:Palliative Care; D017060:Patient Satisfaction; D018579:Patient Selection; D011788:Quality of Life; D012307:Risk Factors; D016896:Treatment Outcome